she says her sister-in-law unded fine. but close to 1:00, the phone rang. it was emma sounding alarm. >> mommy, something's wro with aunt diane. >> reporter: mommy, something's wrong with aunt diane. and shwas crying. >> uh-huh. and i didn't understand. i said what d you mean? i could hear allison crying in the background. i said let me talk to aunt diane. and so diane got on the phone. she just kept saying they're playing and they're having fun. she just didn't sound right. >> diane didn't? >> no. she wasn't making any sense. >> reporter: jkie says she was stunned by what investigators say happened next. they say diane turned the minivan with all the children onboard and drove right into oncoming traffic. >> state police, 911. >> yeah, you got a guy driving south on the northbound parkway. >> reporter: eyewitnesss say diane was racing at speeds approaching nearly 85 miles an hour for two miles, just barely missing other vehicles. the minivan collided with an suv and exploded into flames, killing all three sisters, diane, her daughter, as well as other men